mainbus.c revision 1.3
1 /* $NetBSD: mainbus.c,v 1.3 2001/06/22 06:02:55 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include "opt_algor_p4032.h" 40 #include "opt_algor_p5064.h" 41 #include "opt_algor_p6032.h" 42 43 #include "opt_pci.h" 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/conf.h> 48 #include <sys/reboot.h> 49 #include <sys/device.h> 50 #include <sys/malloc.h> 51 #include <sys/extent.h> 52 53 #include <machine/bus.h> 54 #include <machine/autoconf.h> 55 56 #include <dev/pci/pcivar.h> 57 #include <dev/pci/pciconf.h> 58 59 #include "locators.h" 60 #include "pci.h" 61 62 int mainbus_match(struct device *, struct cfdata *, void *); 63 void mainbus_attach(struct device *, struct device *, void *); 64 65 struct cfattach mainbus_ca = { 66 sizeof(struct device), mainbus_match, mainbus_attach, 67 }; 68 69 int mainbus_print(void *, const char *); 70 int mainbus_submatch(struct device *, struct cfdata *, void *); 71 72 /* There can be only one. */ 73 int mainbus_found; 74 75 struct mainbusdev { 76 const char *md_name; 77 bus_addr_t md_addr; 78 int md_irq; 79 }; 80 81 #if defined(ALGOR_P4032) 82 #include <algor/algor/algor_p4032reg.h> 83 #include <algor/algor/algor_p4032var.h> 84 85 struct mainbusdev mainbusdevs[] = { 86 { "cpu", -1, -1 }, 87 { "mcclock", P4032_RTC, P4032_IRQ_RTC }, 88 { "com", P4032_COM1, P4032_IRQ_COM1 }, 89 { "com", P4032_COM2, P4032_IRQ_COM2 }, 90 { "lpt", P4032_LPT, P4032_IRQ_LPT }, 91 { "pckbc", P4032_PCKBC, P4032_IRQ_PCKBC }, 92 { "fdc", P4032_FDC, P4032_IRQ_FLOPPY }, 93 { "vtpbc", P4032_V962PBC, -1 }, 94 95 { NULL, 0, 0 }, 96 }; 97 #endif /* ALGOR_P4032 */ 98 99 #if defined(ALGOR_P5064) 100 #include <algor/algor/algor_p5064reg.h> 101 #include <algor/algor/algor_p5064var.h> 102 103 struct mainbusdev mainbusdevs[] = { 104 { "cpu", -1, -1 }, 105 { "vtpbc", P5064_V360EPC, -1 }, 106 107 { NULL, 0, 0 }, 108 }; 109 #endif /* ALGOR_P5064 */ 110 111 #if defined(ALGOR_P6032) 112 #include <algor/algor/algor_p6032reg.h> 113 #include <algor/algor/algor_p6032var.h> 114 115 struct mainbusdev mainbusdevs[] = { 116 { "cpu", -1, -1 }, 117 { "bonito", BONITO_REG_BASE, -1 }, 118 119 { NULL, 0, 0 }, 120 }; 121 #endif /* ALGOR_P6032 */ 122 123 int 124 mainbus_match(struct device *parent, struct cfdata *cf, void *aux) 125 { 126 127 if (mainbus_found) 128 return (0); 129 130 return (1); 131 } 132 133 void 134 mainbus_attach(struct device *parent, struct device *self, void *aux) 135 { 136 struct mainbus_attach_args ma; 137 struct mainbusdev *md; 138 bus_space_tag_t st; 139 #if defined(PCI_NETBSD_CONFIGURE) 140 struct extent *ioext, *memext; 141 pci_chipset_tag_t pc; 142 #endif 143 144 mainbus_found = 1; 145 146 printf("\n"); 147 148 #if NPCI > 0 && defined(PCI_NETBSD_CONFIGURE) 149 #if defined(ALGOR_P4032) 150 /* 151 * Reserve the bottom 64K of the I/O space for ISA devices. 152 */ 153 ioext = extent_create("pciio", 0x00010000, 0x000effff, 154 M_DEVBUF, NULL, 0, EX_NOWAIT); 155 memext = extent_create("pcimem", 0x01000000, 0x07ffffff, 156 M_DEVBUF, NULL, 0, EX_NOWAIT); 157 158 pc = &p4032_configuration.ac_pc; 159 #elif defined(ALGOR_P5064) 160 /* 161 * Reserve the bottom 512K of the I/O space for ISA devices. 162 * According to the PMON sources, this is a work-around for 163 * a bug in the ISA bridge. 164 */ 165 ioext = extent_create("pciio", 0x00080000, 0x00ffffff, 166 M_DEVBUF, NULL, 0, EX_NOWAIT); 167 memext = extent_create("pcimem", 0x01000000, 0x07ffffff, 168 M_DEVBUF, NULL, 0, EX_NOWAIT); 169 170 pc = &p5064_configuration.ac_pc; 171 #elif defined(ALGOR_P6032) 172 /* 173 * Reserve the bottom 64K of the I/O spcae for ISA devices. 174 */ 175 ioext = extent_create("pciio", 0x00010000, 0x000effff, 176 M_DEVBUF, NULL, 0, EX_NOWAIT); 177 memext = extent_create("pcimem", 0x01000000, 0x0affffff, 178 M_DEVBUF, NULL, 0, EX_NOWAIT); 179 180 pc = &p6032_configuration.ac_pc; 181 #endif /* ALGOR_P4032 || ALGOR_P5064 || ALGOR_P6032 */ 182 183 pci_configure_bus(pc, ioext, memext, NULL); 184 extent_destroy(ioext); 185 extent_destroy(memext); 186 #endif /* NPCI > 0 && defined(PCI_NETBSD_CONFIGURE) */ 187 188 #if defined(ALGOR_P4032) 189 st = &p4032_configuration.ac_lociot; 190 #elif defined(ALGOR_P5064) 191 st = NULL; 192 #elif defined(ALGOR_P6032) 193 st = NULL; 194 #endif 195 196 for (md = mainbusdevs; md->md_name != NULL; md++) { 197 ma.ma_name = md->md_name; 198 ma.ma_st = st; 199 ma.ma_addr = md->md_addr; 200 ma.ma_irq = md->md_irq; 201 (void) config_found_sm(self, &ma, mainbus_print, 202 mainbus_submatch); 203 } 204 } 205 206 int 207 mainbus_print(void *aux, const char *pnp) 208 { 209 struct mainbus_attach_args *ma = aux; 210 211 if (pnp) 212 printf("%s at %s", ma->ma_name, pnp); 213 if (ma->ma_addr != (bus_addr_t) -1) 214 printf(" %s 0x%lx", mainbuscf_locnames[MAINBUSCF_ADDR], 215 ma->ma_addr); 216 217 return (UNCONF); 218 } 219 220 int 221 mainbus_submatch(struct device *parent, struct cfdata *cf, void *aux) 222 { 223 struct mainbus_attach_args *ma = aux; 224 225 if (cf->cf_loc[MAINBUSCF_ADDR] != MAINBUSCF_ADDR_DEFAULT && 226 cf->cf_loc[MAINBUSCF_ADDR] != ma->ma_addr) 227 return (0); 228 229 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 230 } 231
Indexes created Fri Oct 03 02:09:57 GMT 2025